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NCCCO MOBILE CRANE (CRANE PRACTICE
TESTS) WITH COMPLETE SOLUTIONS
- What action does a signal person intend the operator to perform if he extends his arm at shoulder height, makes a fist with his hand, and sticks his/her thumb up? a. Boom down b. Swing c. Boom up d. Extend boom - ANSWER - c.
- When hoisting personnel, within what percentage of level must a telescopic boom crane be in order for the gross ratings in the load chart to remain valid? a. 1% b. 2% c. 5% d. 8% - ANSWER - a.
- The load line of the crane you're operating contacts an energized power line. There's no sign of any other danger, such as fire. What should you do? a. Climb down carefully from the crane cab b. Jump down, feet together c. Stay in the cab until the lines are de-energized d. Get as far away from the crane as possible - ANSWER - c.
- According to OSHA 1926.1413, how many randomly distributed broken wires in rotation- resistant rope are cause for replacement of the rope? a. 1 broken wire in 6 rope diameters b. 2 broken wires in 30 rope diameters c. 3 broken wires in one strand in one lay d. 2 broken wires in 6 rope diameters - ANSWER - d.
- What is the net capacity of a crane on main boom unless the manufacturer states otherwise? a. The capacity listed in the load chart minus the weight of the rigging and all attachments b. The capacity listed in the load chart plus the weight of the rigging and all attachments c. The capacity listed in the load chart minus the weight of the rigging and all attachments not in use d. The capacity listed in the load chart minus the weight of the rigging alone - ANSWER - a.
- What may happen to a properly rigged load when lifted off the ground unless the operator takes account of boom deflection? a. It could swing out away from the crane b. It could swing in towards the crane c. It could raise absolutely vertically d. It could shift in its rigging - ANSWER - a.
- What Standard Method hand signal is being illustrated? a. Swing b. Stop c. Emergency Stop d. Travel - ANSWER - a.
- Who should an operator respond to a "stop" signal from? a. Appointed signal person only b. Project manager only c. Superintendent only d. Anyone - ANSWER - d.
- Which area do truck cranes without a 5th outrigger generally have no lifting capacity unless the manufacturer states otherwise? a. The side
- By what percentage do most manufacturers require a crane's load chart capacity to be reduced by for duty cycle operations such as high-volume concrete placement? a. 10%. b. 15%. c. 20%. d. 30%. - ANSWER - c.
- From which two points should the boom be measured? a. From the base of the boom to the center of the boom tip sheave b. From the boom hinge pins to the boom tip c. From the boom hinge pins to the center of the boom tip sheaved. d. From the base of the boom to the boom tip - ANSWER - c.
- What is the preferred method of installing wire rope from a reel onto a hoist drum? a. The rope runs from the top of the reel to the bottom of the drum b. The rope runs from the bottom of the reel to the top of the drum c. The rope runs from the top of the reel to the top of the drum d. There is no preferred method - ANSWER - c.
- Over which quadrant are truck crane capacities usually greater? a. Over the front. b. Over the rear. c. Over the front right outrigger. d. Over the side. - ANSWER - b.
- According to OSHA, which accessible area of an operating crane must always be barricaded? a. The swing radius of the crane b. The carbody or chassis c.GTheGswingGradiusGofGtheGrearGofGtheGrotatingGsuperstructureG d.GTheGdistanceGbetweenGtheGcarGbodyGorGchassisGandGtheGboomGtipG-GANSWERG-Gc.
19.GWhatGisGtheGOSHAGregulationGgoverningGcranesGinGconstruction? a.G1910.180G b.G1926. c.G1926.556G d.G1910.184G-GANSWERG-Gb. 20.GUnderGwhichGcircumstanceGisGaGcrackGinGtheGwindshieldGofGaGcraneGcabGokay? a.GAsGlongGasGitGcausesGnoGvisibleGdistortionGthatGwouldGinterfereGwithGsafeGoperationsG b.GAsGlongGasGitGisGlessGthanG 6 GinchesGlongG c.GAsGlongGasGtheGwindshieldGisGreplacedGonGtheGnextGannualGinspectionGd.GItGisGneverGokayG- GANSWERG-Ga. 21.GUnderGwhichGcircumstanceGdoesGOSHAGpermitsGhoistingGofGpersonnelGbyGcrane? a.GAsGlongGasGtheGprevailingGwindGspeedGisGlessGthanG 35 GmphG b.GAsGlongGasGthereGisGnoGlessGhazardousGorGpracticableGwayG c.GAsGlongGasGallGpersonnelGhaveGCPRGtrainingG d.GAsGlongGasGnoGaerialGworkGplatformGisGavailableG-GANSWERG-Gb. 22.GUnlessGtheGmanufacturerGstatesGotherwise,GwhatGcraneGcapacityGchartGisGappropriateGwhenG aGcraneGisGsetGupGwithG 3 GofGitsG 4 GoutriggersGextendedGandGtheGfourthGisGretracted? a.GOn-outriggerGchartG b.GOn-rubberGchartG c.GOn-outriggerGchartGminusG20%G d.GOn-rubberGchartGplusG20%G-GANSWERG-Gb. 42.GWhatGcapacityGshouldGyouGuseGwhenGtheGboomGlengthGofGtheGcraneGfallsGbetweenGtheGlengt hsGlistedGinGtheGloadGchart? a.GTheGnextGlongestGboomGlengthG b.GTheGnextGshortestGboomGlengthG
b.GSoGlongGasGnoGjibGisGinstalled c.GOnlyGwhenGtheGoutriggersGareGfullyGextendedG d.GOnlyGwithGfreelyGsuspendedGloadsG-GANSWERG-Gd. 25.GWhatGisGindicatedGifGanGoperatorGmakesGtwoGaudibleGsignalsGwhenGmovingGaGcrane? a.GHe/sheGintendsGtoGstop b.GHe/sheGintendsGtoGbackGup c.GHe/sheGintendsGtoGgoGahead d.GHe/sheGintendsGtoGstopG(emergency)G-GANSWERG-Gc. 34.GWhatGhappensGtoGgroundGbearingGpressureGifGyouGmoveGaGcrawlerGcraneGfromGsoftGgroundGt oGharderGground? a.GItGincreasesG b.GItGdecreasesGbyGaGthirdG c.GItGremainsGtheGsameG d.GItGdecreasesGbyGhalfG-GANSWERG-Ga. 35.GWhenGmayGaGswivelGbeGusedGwithGrotationGresistantGwireGrope? a.GAlwaysG b.GNeverG c.GIfGtheGropeGmanufacturerGapprovesG d.GIfGtheGoperatorGdecidesGit'sGOKG-GANSWERG-Gc. 36.GWhatGshouldGyouGdoGonGpickGandGcarryGoperations? a.GKeepGtheGboomGasGshortGasGpossibleG b.GKeepGtheGloadGasGhighGaboveGtheGgroundGasGpossibleG c.GEnsureGtheGloadGisGasGfarGfromGtheGcarrier/carbodyGasGpossibleG d.GUseGmaximumGboomGlengthG-GANSWERG-Ga. 26.GWhenGmayGblockingG(cribbing)GbeGplacedGunderGoutriggerGbeams?
a.GWhenGbeamsGcannotGbeGextendedGallGtheGwayGout b.GToGincreaseGcapacity c.GToGimproveGstabilityG d.GNeverG-GANSWERG-Gd. 27.GWhatGisGtheGresultGofGplacingGtimberGblockingGunderGtheGtipsGofGtheGtracksGonGaGcrawlerGcran e? a.GDecreasesGtheGpermittedGcapacityGofGtheGcrane b.GMakesGtheGcraneGmoreGstable c.GReducesGtheGcapacityGofGtheGcraneG d.GMakesGtheGcraneGlessGstableG-GANSWERG-Gb. 28.GAccordingGtoGASME,GwhatGpercentageGofGtheGmanufacturer'sGcraneGratingGmustGnotGbeGexce ededGifGaGloadGtestGisGdoneGonGaGrepairedGcrane? a.G110%G b.G100%G c.G85%G d.G75%G-GANSWERG-Gb. 29.GWhereGisGtheGtippingGaxisGofGaGcrawlerGcraneGlocated? a.GItGisGalwaysGatGtheGcenterlineGofGtheGidlerGorGsprocketG b.GItGdependsGifGtheGidlerGorGsprocketGareGinGlineGorGoffsetGfromGtheGtrackGrollersG c.GItGisGthroughGtheGcenterlineGofGtheGcraneGcabG d.GItGisGthroughGtheGboomGbuttGsectionG-GANSWERG-Gb. 30.GWhatGshouldGbeGdoneGwithGmaterialsGplacedGunderGoverheadGenergizedGpowerGlines? a.GBeGdraggedGout b.GBeGliftedGasGnormalG c.GNotGbeGliftedGbyGcraneG d.GHandledGwithGextraGcareG-GANSWERG-Gc.
c.GDirectlyGaboveGtheGload'sGcenterGofGgravityG d.GAboveGtheGedgeGofGtheGloadGclosestGtoGtheGcraneG-GANSWERG-Gc. 39.GAccordingGtoGOSHAG1926.1408,GwhatGminimumGclearanceGmustGbeGmaintainedGbetweenGan yGpartGofGtheGcrane/loadGandG850kVGenergizedGoverheadGpowerGlines. a.G 25 Gft.G b.G 30 Gft.G c.G 35 Gft.G d.G 45 Gft.G-GANSWERG-Gd. 40.GHowGmanyGpartsGofGlineGareGrequiredGtoGhoistGaG36,500Glb.GloadGifGtheGmaximumGallowableGli neGpullGisG9,000Glb.? a.G 3 G b.G 4 G c.G 5 G d.G 6 G-GANSWERG-Gc. 41.GWhatGdeterminesGtheGamountGofGdeductionGrequiredGforGanGerectedGjibGthatGisGnotGbeingGuse d? a.GTheGactualGweightGofGtheGjibG b.GTheGeffectiveGweightGofGtheGjibG c.GNothing,GsinceGtheGjibGisGnotGinGuseG d.GTheGdifferenceGbetweenGtheGcrane'sGactualGweightGandGitsGeffectiveGweightG-GANSWERG-Gb. 46.GWhatGshouldGanGoperatorGdoGifGaGcrane'sGloadGmomentGindicatorG(LMI)Gmalfunctions? a.GCeaseGcraneGoperationsGandGreportGtheGconditionGtoGtheGsupervisor b.GTurnGitGoffGandGcontinueGasGifGtheGLMIGwereGnotGinstalled c.GMakeGmathematicalGallowancesGforGanyGerror d.GAttemptGtoGrepairGtheGfaultG-GANSWERG-Ga. 1.GWhereGmustGtheGoperator'sGmanualGbeGkeptGduringGcraneGoperations? a.GTheGoperator'sGmanualGmustGbeGkeptGinGaGlocationGthatGisGreadilyGavailable
b.GTheGoperator'sGmanualGmustGbeGkeptGinGtheGcabGatGallGtimes c.GTheGoperator'sGmanualGmustGbeGkeptGinGtheGdispatchGoffice d.GTheGoperator'sGmanualGmustGbeGkeptGinGaGsecureGplaceG-GANSWERG-Gb. 2.GAccordingGtoGASMEGB30.5,GwhatGareGtheGminimalGrequirementsGtoGmeetGcraneGoperator qualifications? a.GHighGSchoolGDiploma b.GCDLGwithGonGtheGjobGtraining c.GPhysical,GWrittenGTest,GPracticalGTest d.GCDLGphysical,GemployersGwrittenGpermissionG-GANSWERG-Gc. 3.GWhatGhandGsignalGmustGbeGobeyedGatGallGtimes? a.GSwing b.GClog-everything c.GStop d.GHoistGSlowG-GANSWERG-Gc. 4.GWhenGremovingGpinsGorGboltsGfromGaGboomGassembly,GworkersGshallGremain a.GclearGofGsledgeGhammers b.GoutGfromGunderGtheGboom c.GonGtopGofGboomGholdingGpendants d.GinGsightGofGtheGoperatorG-GANSWERG-Gb. 5.GWhenGmayGaGcraneGbeGoverloaded? a.GWhenGtheGsupervisorGsaysGit'sGOK b.GNever c.GWhenGtestingGtheGcrane d.GWhenGproofGtestingGaGmanGbasketG-GANSWERG-Gc. 6.GWhenGcanGtheGoperatorGleaveGtheGcrane?
a.GPile-Gdriving b.GSettingGtrusses c.GClamG-GShellGdigging dGUnloadingGtrucksG-GANSWERG-Gc. 12.GWhenGdoingGcycleGwork,GtheGloadGchartGmustGbeGreducedGbyGhowGmuch? a.G50% b.G20% c.G30% d.GnoneG-GANSWERG-Gb. 13.GWhichGcomponentsGareGnotGpartsGofGtheGboom? a.GLacing b.GCords c.GCrossGmembers d.GHeelGpinsG-GANSWERG-Gd. WhereGmustGtheGoperator'sGmanualGbeGkeptGduringGcraneGoperations?G-GANSWERG- GTheGoperator'sGmanualGmustGbeGkeptGinGtheGcabGatGallGtimes. AccordingGtoGASMEGB30.5,GwhatGareGtheGminimalGrequirementsGtoGmeetGcraneGoperatorqualifica tions?G-GANSWERG-GPhysical,GWrittenGTest,GPracticalGTest WhatGhandGsignalGmustGbeGobeyedGatGallGtimes?G-GANSWERG-GStop WhenGremovingGpinsGorGboltsGfromGaGboomGassembly,GworkersGshallGremainG_______________ __.G-GANSWERG-GoutGfromGunderGtheGboom WhenGmayGaGcraneGbeGoverloaded?G-GANSWERG-GNever WhenGcanGtheGoperatorGleaveGtheGcrane?G-GANSWERG-GAfterGsecuringGtheGcrane
WhenGcanGaGcraneGbeGsideGloaded?G-GANSWERG-GWithGaGfreelyGsuspendedGload TheGdeflectionGofGaGboomGwillGcauseGtheGloadGtoG__________________________.G-GANSWERG- GincreaseGtheGradius WhenGshouldGtagGlinesGbeGused?G-GANSWERG- GWhenGtheGrotationGofGtheGloadGbecomesGhazardous WhatGshallGbeGinGtheGoperator'sGcabGduringGcraneGoperations?G-GANSWERG-GLoadGcharts WhichGofGtheGfollowingGisGconsideredGduty-cycleGwork?G-GANSWERG-GClam-shellGdigging WhenGdoingGdutyGcycleGwork,GtheGloadGchartGmustGbeGreducedGbyGhowGmuch?G-GANSWERG- G20% WhichGcomponentsGareGnotGpartsGofGtheGboom?G-GANSWERG-GHeelGpins TheGboomGangleGisGtheGangleGbetweenG___________________G.G-GANSWERG- GtheGgroundGandGcenterlineGofGtheGboom,GbetweenGsheavesGandGheelGpins ThreeGshortGaudibleGsignalsGmeanG-GANSWERG-Gback-up AccordingGtoGANSIGB30.5,GhandGsignalGchartGshallGbeGpostedGwhere?G-GANSWERG- GOnGtheGjobGsite AGsignalGpersonGshallGbeG________________.G-GANSWERG-GdesignatedGperson,Gtested AnGanti-two-blockGdeviceGcanGbeGusedG_________________G.G-GANSWERG-GtoGtestGtheGLMI CranesGshouldGbeGloadGtestedGwhen?G-GANSWERG-GAfterGmodifications
HowGshouldGwireGropeGbeGinspectedGduringGaGfrequentGinspection?G-GANSWERG-GVisually WhatGisGtheGobjectGofGropeGlubrication?G-GANSWERG-GAGandGB WhatGisGtheGdesignGfactorGforGrotationGresistantGropeGusedGasGaGhoistGline?G-GANSWERG-G5: TheGloadGhoistGdrumGflangeGshallGbeG_________________G.G-GANSWERG- G1/2Gin.GorGhigherGoverGtheGtopGlayerGofGrope WithGtheGhookGinGtheGextremeGlowGposition,GhowGmanyGwrapsGshallGremainGonGtheGloadGhoistGdr um?G-GANSWERG-G 2 LoadGhoistGsheavesGandGboomGtipGsheaveGshallGhaveGpitchGdiametersGnotGlessGthanGtimesGtheGn ominalGdiameterGofGtheGropeGused.G-GANSWERG-G 18 PerGANSIGB30.5,GwhenGoperatingGnearGhighGvoltageGlineGofG 250 GKVGtheGminimumGclearanceGisG ___________________G.G-GANSWERG-G 20 GFT PerGANSIGB30.5,GwhenGinGtransitGunderGpowerGlinesGofG 350 GKVGtheGminimumGclearanceGis?G- GANSWERG-G 16 GFT
